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APA-4E8 Operator’s Manual
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Now that the firmware has been copied to your APA’s SD card, it can be used to finish
upgrading the amplifier. Press MENU to drop back to the UPDATES SUB MENU and navigate
to:
…and press ENTER. You will now see a list of all the firmware versions stored in the
/firmware folder on the amplifier’s SD card.
Use the BACK and NEXT keys to choose the latest version and press ENTER to start the
process. The current settings will be backed up first, followed by an integrity check on the
file, and then it will overwrite the current firmware with the new version.
The amplifier will switch off for a few seconds and the POWER key LED will alternately flash
green/red as the update progresses. When complete the amplifier will power up again if it
was previously on, otherwise it will reboot to standby.
PLEASE DO NOT TURN OFF THE AMPLIFIER DURING THE UPDATE PROCEDURE.